Perhaps you could inject rust inhibiting antifreeze. Just a thought.
--
Capt. Frank

__c
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www.home.earthlink.net/~aartworks
"Tan PS" wrote in message
...
One other thing I was advised, is not to drain the block. It seems to
make
sense as that will expose the block to air (oxygen), with the moisture
present will make things worse.

Of course if you are winterising, that's another matter and some kind of
inhibitor should be used. I don't have this problem, no winters over
here.

Tan PS


"Rich" wrote in message
. com...
I'm fairly new to motor boats, we now have a Mercruiser 5.0, operated
in
sal****er only. Is there a better way to flush other than the "ears"
over
the outdrive? I thought at one time there was some kind of setup to
flush
the motor without running it, anyone know for sure?

TIA
Rich